ADVENTURE ANIMALS AUTO CULTURE ENTERTAINMENT HEALTH GARDEN LIFESTYLE MONEY SCIENCE TECH VIDEO SHOWS FOLLOW US FACEBOOK YOUTUBE TWITTER PINTEREST HOWSTUFFWORKS NAVIGATION THE SUN JULIA LAYTON CRAIG THE SOLAR SYSTEM SUNSPOT IMAGE GALLERY OUR PLANET LIGHT LIFE ON EARTH PHOTO COURTESY NASA THE LAST UPWARD FORCE IF YOU BELIEVE THE WHOLE THING ACTUALLY YOURE PROBABLY REAL THE LIGHT NECESSARY CAUSE CELL DEATH INSIDE SPHERE SUNSETS ENERGY TRILLION MEGATON BOMBS EVERY SECOND BOSTON SOLAR CELL QUIZ SOLAR ECLIPSES WORK SUNSPOTS ALL OF THIS PLAIN AVERAGE UNIVERSAL REALLY SPECIAL WOULDNT BE HERE WERENT SO CLOSE CLOSE SPACE HOLD THE VACUUM KEEPS ALL THAT GAS LEAKING SEND SOLAR FLARES EVER STOP EARTH INHABITANTS EXAMINE WORLD LOOK PARTS OF THE SUN FIND HOW IT EXPLORE MAJOR BILLION YEARS MASSIVE COLLECTION HYDROGEN IT IS SO ENOUGH GRAVITATIONAL FORCE HELIUM THE PLANETS ORBITS AROUND THE SUN BURN WOOD GIGANTIC NUCLEAR PRINT CITATION DATE RELATED CONTENT SPACED OUT MARS DO YOU KNOW THE CONSTELLATIONS SOMEONE SUPERNOVA GALAXIES SCIENTISTS CREATE STAR HEADLINES CORPORAL PUNISHMENT YOUR BODY ACHES NOTHING TO DO THE WEATHER FREE KNITTED BOON BREAST CANCER SURVIVORS POPULAR DRONE TRAIN REASONS ZOMBIES PHYSICALLY IMPOSSIBLE DONATING TO SCIENCE SUMMER MEAN BRILLIANT PRIVACY CHOICES TERMS ADVERTISING CAREERS CONTACT HELP ON THE GO WITH YOU IPHONE FAVORITE ANDROID DEVICE NEWSLETTERS THE BEST OF KEEP UP BUZZ STUFF PODCASTS TOURS WEIRD TESTING VERBOSE ERROR MESSAGE CHECK BEHAVIOUR THE STUFF NETWORK BRAINSTUFF CARSTUFF STUFF MOM NEVER TOLD YOU GENIUS WANT BLOW MIND STUFF YOU SHOULD KNOW STUFF YOU MISSED IN HISTORY CLASS COPYRIGHT DIVISION INFOSPACE HOLDINGS